(-)-methyl (1R,2R,3S,4S,5R)-4-allyl-3-(but-3-enyl)-3-hydroxy-2,4-dimethyl-5-isopropenylcyclopentanecarboxylate 在
Grubbs catalyst first generation 作用下,
以
二氯甲烷 为溶剂,
反应 2.0h,
以96%的产率得到(-)-methyl (1S,7S,8S,9R,10R)-1-hydroxy-7,10-dimethyl-58isopropenylbicyclo[5.3.0]dec-4-ene-9-carboxylate